Wolf Vostell and Benjamin Patterson, invitation card

for their combined shows at Galerie Haro Lauhus, Cologne May 1961. Printed sheet, 21 x 15 cm, folded as issued.

This was Vostell's first exhibition in Germany, titled 'collage, decollage'. It was also the first appearance of Benjamin Patterson in Cologne who performed during the opening with the assistance of Francis Coppieters, Dusko Gojkovic, Heidrun Klemencic, William Pearson and Wolf Vostell. An ultra-rare document in very fine condition.